/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2017 Mark Johnston <markj@FreeBSD.org>
 * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
 * Copyright (c) 2025 The FreeBSD Foundation
 *
 * Portions of this software were developed by Björn Zeeb
 * under sponsorship from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _LINUXKPI_ACPI_ACPI_H_
#define _LINUXKPI_ACPI_ACPI_H_

/*
 * LINUXKPI_WANT_LINUX_ACPI is a temporary workaround to allow drm-kmod
 * to update all needed branches without breaking builds.
 * Once that happened and checks are implemented based on __FreeBSD_version
 * we will remove these conditions again.
 */

/*
 * FreeBSD import of ACPICA has a typedef for BOOLEAN which conflicts with
 * amdgpu driver. Workaround it on preprocessor level.
 */
#define ACPI_USE_SYSTEM_INTTYPES
#define BOOLEAN                 unsigned char
typedef unsigned char           UINT8;
typedef unsigned short          UINT16;
typedef short                   INT16;
typedef unsigned int            UINT32;
typedef int                     INT32;
typedef uint64_t                UINT64;
typedef int64_t                 INT64;
#include <contrib/dev/acpica/include/acpi.h>
#undef BOOLEAN

typedef ACPI_IO_ADDRESS         acpi_io_address;
typedef ACPI_HANDLE             acpi_handle;
typedef ACPI_OBJECT_HANDLER     acpi_object_handler;
typedef ACPI_OBJECT_TYPE        acpi_object_type;
typedef ACPI_STATUS             acpi_status;
typedef ACPI_STRING             acpi_string;
typedef ACPI_SIZE               acpi_size;
typedef ACPI_WALK_CALLBACK      acpi_walk_callback;

union linuxkpi_acpi_object {
        acpi_object_type type;
        struct {
                acpi_object_type type;
                UINT64 value;
        } integer;
        struct {
                acpi_object_type type;
                UINT32 length;
                char *pointer;
        } string;
        struct {
                acpi_object_type type;
                UINT32 length;
                UINT8 *pointer;
        } buffer;
        struct {
                acpi_object_type type;
                UINT32 count;
                union linuxkpi_acpi_object *elements;
        } package;
        struct {
                acpi_object_type type;
                acpi_object_type actual_type;
                acpi_handle handle;
        } reference;
        struct {
                acpi_object_type type;
                UINT32 proc_id;
                acpi_io_address pblk_address;
                UINT32 pblk_length;
        } processor;
        struct {
                acpi_object_type type;
                UINT32 system_level;
                UINT32 resource_order;
        } power_resource;
};

#ifdef  LINUXKPI_WANT_LINUX_ACPI
struct linuxkpi_acpi_buffer {
        acpi_size length;       /* Length in bytes of the buffer */
        void *pointer;          /* pointer to buffer */
};

typedef struct linuxkpi_acpi_buffer     lkpi_acpi_buffer_t;
#else
typedef ACPI_BUFFER                     lkpi_acpi_buffer_t;
#endif

static inline ACPI_STATUS
acpi_evaluate_object(ACPI_HANDLE Object, ACPI_STRING Pathname,
    ACPI_OBJECT_LIST *ParameterObjects, lkpi_acpi_buffer_t *ReturnObjectBuffer)
{
        return (AcpiEvaluateObject(
            Object, Pathname, ParameterObjects, (ACPI_BUFFER *)ReturnObjectBuffer));
}

static inline const char *
acpi_format_exception(ACPI_STATUS Exception)
{
        return (AcpiFormatException(Exception));
}

static inline ACPI_STATUS
acpi_get_handle(ACPI_HANDLE Parent, const char *Pathname,
    ACPI_HANDLE *RetHandle)
{
        return (AcpiGetHandle(Parent, Pathname, RetHandle));
}

static inline ACPI_STATUS
acpi_get_data(ACPI_HANDLE ObjHandle, ACPI_OBJECT_HANDLER Handler, void **Data)
{
        return (AcpiGetData(ObjHandle, Handler, Data));
}

static inline ACPI_STATUS
acpi_get_name(ACPI_HANDLE Object, UINT32 NameType, lkpi_acpi_buffer_t *RetPathPtr)
{
        return (AcpiGetName(Object, NameType, (ACPI_BUFFER *)RetPathPtr));
}

static inline ACPI_STATUS
acpi_get_table(ACPI_STRING Signature, UINT32 Instance,
    ACPI_TABLE_HEADER **OutTable)
{
        return (AcpiGetTable(Signature, Instance, OutTable));
}

static inline void
acpi_put_table(ACPI_TABLE_HEADER *Table)
{
        AcpiPutTable(Table);
}

#ifdef  LINUXKPI_WANT_LINUX_ACPI
#define acpi_object             linuxkpi_acpi_object
#define acpi_buffer             linuxkpi_acpi_buffer
#endif

#endif /* _LINUXKPI_ACPI_ACPI_H_ */